Danfoss BOCK UL-HGX44e Operating Manual page 19

∆
∆ ∆
5 | Electrical connection
Star-delta start-up is only possible for 230 V power supply. Example:
Direct start
W2 U2 V2
U1 V1 W1
L1 L2 L3
© Danfoss | Climate Solutions | 2023.07
230 V ∆ ∆
∆
∆
Star-delta start
L1
L2
W2 U2
U1 V1
L1 L2
∆
∆
∆
Direct start only
L3
V2
W2
W1
U1
L3
L1
AQ450440081306en-US0201 | 19
400 V Y
U2 V2
V1 W1
L2 L3
D
US
F
E